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Finding the Fourth Proportional to 19,033, 26,265.54 and 11,581

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Solution

The fourth proportional to 19,033, 26,265.54 and 11,581 is: 15,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,033 : 26,265.54 = 11,581 : x
  2. Step 2: Convert to fraction form
    19,033/26,265.54 = 11,581/x
  3. Step 3: Cross multiply
    19,033x = 26,265.54 × 11,581
  4. Step 4: Simplify right side
    19,033x = 304,181,218.74
  5. Step 5: Solve for x
    x = 304,181,218.74/19,033
  6. Step 6: Final answer
    x = 15,981.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.